Chapter
Oct 26, 2017
Chapter 18
Groundwater Remediation
Authors: T. I. Eldho, Boddula Swathi, and Ulf MohrlokAuthor Affiliations
Publication: Sustainable Water Resources Management
Abstract
This chapter focuses on groundwater pollution problems and modeling and remediation technologies. Remediating a contaminated aquifer generally involves evaluating several factors, including type of contamination, scale of the problem, general approach to treatment, remediation design, disposal choices available, and optimal mode of operation. The last includes the logistics involved in carrying out the remediation plan, end points, and costs. Generally, groundwater remediation can be done onsite, or in situ. Commonly used onsite techniques are the pump and treat method (PTM) and the soil vapor extraction method. Until the very recent past, almost all groundwater remediation systems installed involved variations of the technology called "pump and treat." Some commonly used in situ technologies include air sparging, flushing, circulation wells, bioremediation, chemical remediation, reactive barriers, in situ thermal technologies, bioventing, and hydraulic and pneumatic fracturing.
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© 2017 American Society of Civil Engineers.
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Published online: Oct 26, 2017
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T. I. Eldho
Boddula Swathi
Ulf Mohrlok
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